Toy semi truck tractor



FIG. 1 is a front view of a toy semi truck tractor in accordance with the present invention.

FIG. 2 is a back view thereof.

FIG. 3 is a left view thereof.

FIG. 4 is a right view thereof.

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines show portions of the toy semi truck tractor that form no part of the claimed design. 

CLAIM The ornamental design for a toy semi truck tractor, as shown and described. 